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P0328 2010 Nissan Pathfinder Code - Knock Sensor Circuit High Input- Bank 1

Quick Answer

The P0328 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder refers to a "Knock Sensor Circuit High Input- Bank 1." This code indicates that the engine control module (ECM) has detected a higher than normal voltage signal from the knock sensor circuit on bank 1 of the engine. Common causes include Faulty Knock Sensor: A malfunctioning knock sensor can send incorrect signals to the ECM, triggering a P0328 code, Wiring Issues: Damaged or corroded wiring in the knock sensor circuit can lead to high input signals being sent to the ECM, Engine Mechanical Problems: Issues such as excessive carbon buildup, worn piston rings, or a faulty EGR system can cause abnormal combustion and trigger the knock sensor. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0328 2010 Nissan Pathfinder indicates Knock Sensor Circuit High Input- Bank 1.
Common causes
Common causes include Faulty Knock Sensor: A malfunctioning knock sensor can send incorrect signals to the ECM, triggering a P0328 code, Wiring Issues: Damaged or corroded wiring in the knock sensor circuit can lead to high input signals being sent to the ECM, Engine Mechanical Problems: Issues such as excessive carbon buildup, worn piston rings, or a faulty EGR system can cause abnormal combustion and trigger the knock sensor.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0328 2010 Nissan Pathfinder Description

The P0328 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder refers to a "Knock Sensor Circuit High Input- Bank 1." This code indicates that the engine control module (ECM) has detected a higher than normal voltage signal from the knock sensor circuit on bank 1 of the engine. The knock sensor is a crucial component that detects abnormal combustion in the engine, commonly known as engine knocking or pinging. When the knock sensor detects these abnormal vibrations, it sends a signal to the ECM to adjust the ignition timing to prevent engine damage.

OBDII Code P0328 2010 Nissan Pathfinder - Knock Sensor Circuit High Input- Bank 1
P0328 2010 Nissan Pathfinder Code - Knock Sensor Circuit High Input- Bank 1

Common Causes of P0328 2010 Nissan Pathfinder

  1. Faulty Knock Sensor: A malfunctioning knock sensor can send incorrect signals to the ECM, triggering a P0328 code.
  2. Wiring Issues: Damaged or corroded wiring in the knock sensor circuit can lead to high input signals being sent to the ECM.
  3. Engine Mechanical Problems: Issues such as excessive carbon buildup, worn piston rings, or a faulty EGR system can cause abnormal combustion and trigger the knock sensor.
  4. ECM Malfunction: A malfunctioning ECM can misinterpret signals from the knock sensor, leading to a P0328 code.

Symptoms of P0328 2010 Nissan Pathfinder

  1. Check Engine Light: The most common symptom associated with a P0328 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Reduced Engine Performance: The engine may experience reduced power, acceleration, and overall performance due to the ECM adjusting the ignition timing to prevent knocking.
  3. Poor Fuel Efficiency: The vehicle may exhibit decreased fuel efficiency as a result of the ECM compensating for the high knock sensor input.
  4. Engine Misfires: The engine may misfire or run rough due to incorrect ignition timing caused by the high knock sensor input.

How to Fix P0328 2010 Nissan Pathfinder

  1. Diagnose the Issue: Use a scan tool to retrieve the DTC and perform a thorough inspection of the knock sensor and its wiring to identify the root cause of the high input signal.
  2. Replace Knock Sensor: If the knock sensor is determined to be faulty, replace it with a new, OEM-quality sensor to ensure proper operation.
  3. Repair Wiring: Inspect the wiring harness for any damage or corrosion and repair or replace any affected wires to ensure a secure connection.
  4. Address Engine Mechanical Issues: If engine mechanical problems are identified as the cause of the high knock sensor input, address these issues accordingly to prevent future occurrences.
  5. Clear DTC and Test Drive: After completing the repairs, clear the DTC from the ECM memory and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P0328 2010 Nissan Pathfinder

The typical repair costs for addressing a P0328 code on a 2010 Nissan Pathfinder can vary depending on the specific cause of the issue. In general, the cost of a new knock sensor ranges from $50 to $150, while the labor cost for sensor replacement and diagnostic work can range from $100 to $300. Overall, the total repair cost for resolving a P0328 code can range from $150 to $450, including parts and labor. It's important to note that these estimates are approximate and actual costs may vary based on factors such as location, vehicle make and model, and the specific repair shop's rates. It's recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

What does this mean?

Tech Notes for P0328 2010 Nissan Pathfinder

The P0327 code means that the Knock Sensor is not working properly. Problems with the knock sensor will not cause an engine performance problems for most models if you have any other codes fix those first before replacing the knock sensor.

When is the Code Detected?

An excessively high voltage from the sensor is sent to Electronic Control Module (ECM)

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0328 2010 Nissan Pathfinder Code

1. What does the OBDII code P0328 mean on a 2010 Nissan Pathfinder?

P0328 indicates a "Knock Sensor Circuit High Input" for Bank 1, meaning the knock sensor is detecting a higher-than-expected voltage, which can signal a potential issue with the sensor or related circuitry.

2. What are the common symptoms of a P0328 code on a 2010 Nissan Pathfinder?

Symptoms may include reduced engine performance, poor fuel economy, engine knocking or pinging, and an illuminated check engine light.

3. What causes the P0328 code to appear on a 2010 Nissan Pathfinder?

Typical causes include a faulty knock sensor, damaged wiring or connections in the knock sensor circuit, excessive engine vibration, or an ECU problem.

4. Can I still drive my 2010 Nissan Pathfinder with a P0328 code?

While the vehicle may still be drivable, ignoring the code can lead to engine damage due to undetected knocking. It’s best to address the issue promptly.

5. How do I fix the P0328 code on my 2010 Nissan Pathfinder?

Common fixes include replacing the knock sensor, repairing or replacing damaged wiring, cleaning corroded connections, or, in rare cases, reprogramming or replacing the ECU.

6. Where is the knock sensor located on a 2010 Nissan Pathfinder?

The knock sensor is typically located on the engine block, cylinder head, or intake manifold, beneath or near the intake plenum.

7. How much does it cost to fix a P0328 code on a 2010 Nissan Pathfinder?

Replacing the knock sensor can cost between $150 and $400, depending on labor costs and part pricing, while wiring repairs may vary.

8. Can a bad knock sensor cause engine damage on a 2010 Nissan Pathfinder?

A faulty knock sensor itself won’t cause damage, but it can fail to detect engine knocking, which might lead to long-term engine damage if unresolved.

9. How can I prevent a P0328 code from recurring on my 2010 Nissan Pathfinder?

Ensure regular maintenance, address engine knocking promptly, and check wiring and connectors for damage or corrosion during routine inspections.

10. Will clearing the P0328 code fix the problem on my 2010 Nissan Pathfinder?

Clearing the code will turn off the check engine light temporarily, but it won’t resolve the underlying issue causing the code, which needs to be diagnosed and repaired.

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